腸道發炎的時候,腸道會製造一些游離基(Reactive oxygen species)用來消滅外來的入侵者。484Please respect copyright.PENANAEANCS319Sh
較為常見的游離基就是H2O2 ,亦即是俗稱為雙氧水的化學物。484Please respect copyright.PENANA2m6ZgJRxMH484Please respect copyright.PENANAYVjsZOUAoA
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當細菌接受過多的游離基侵襲,便會死去。484Please respect copyright.PENANA8QaLfNgXtN
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(圖2)奈何道高一呎,魔高一丈,有一些細菌內含化解雙氧水的蛋白酶,更把雙氧水化解而成的氧氣供自己所用,不但不受損傷,反而加快自己的生長速度。484Please respect copyright.PENANAFAnUOb3fMl484Please respect copyright.PENANAG7uAhneQkW
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(圖3)腸道發炎產生的游離基,腸道一隻名為NOX1的蛋白質有份參與製作的過程。484Please respect copyright.PENANA82qnn73Gpu484Please respect copyright.PENANAKEuerQMC2P
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當NOX1蛋白質在老鼠身上除去後,腸道發炎其間,那些擁有化解雙氧水及運用氧氣特性的細菌亦再也沒能快速滋長,奠定了腸道發炎時產生的游離基對個別細菌類別的影響。484Please respect copyright.PENANAYXIMhmjwNG
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio484Please respect copyright.PENANAEgftBREx3N
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基於WhatsApp/Facebook等問題,IG將不會再作更新,只會寄居本土LIHKG及Penana。484Please respect copyright.PENANAgwqH2l32Hg
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Ref1:https://pubmed.ncbi.nlm.nih.gov/33053375/
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